/Engine/Plugins/Enterprise/DatasmithContent/Source/DatasmithContent/Public/DatasmithContentBlueprintLibrary.h
Find all Datasmith User Data of loaded objects of the given type. This is a slow operation, so editor only.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Editor Scripting | Datasmith User Data") static void GetAllDatasmithUserData ( [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UObject](API\Runtime\CoreUObject\UObject\UObject) > ObjectClass, [TArray](API\Runtime\Core\Containers\TArray)< [UDatasmithAssetUserData](API\Plugins\DatasmithContent\UDatasmithAssetUserData) * > & OutUserData )